// concurrent/StaticIDField.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

public class StaticIDField implements HasID {
    private static int counter = 0;
    private int id = counter++;

    public int getID() {
        return id;
    }
}
